diff options
Diffstat (limited to 'drivers/dma')
-rw-r--r-- | drivers/dma/dmaengine.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 15278044295c..322ee2984e3d 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c | |||
@@ -176,6 +176,7 @@ void dma_chan_cleanup(struct kref *kref) | |||
176 | chan->client = NULL; | 176 | chan->client = NULL; |
177 | kref_put(&chan->device->refcount, dma_async_device_cleanup); | 177 | kref_put(&chan->device->refcount, dma_async_device_cleanup); |
178 | } | 178 | } |
179 | EXPORT_SYMBOL(dma_chan_cleanup); | ||
179 | 180 | ||
180 | static void dma_chan_free_rcu(struct rcu_head *rcu) | 181 | static void dma_chan_free_rcu(struct rcu_head *rcu) |
181 | { | 182 | { |
@@ -261,6 +262,7 @@ struct dma_client *dma_async_client_register(dma_event_callback event_callback) | |||
261 | 262 | ||
262 | return client; | 263 | return client; |
263 | } | 264 | } |
265 | EXPORT_SYMBOL(dma_async_client_register); | ||
264 | 266 | ||
265 | /** | 267 | /** |
266 | * dma_async_client_unregister - unregister a client and free the &dma_client | 268 | * dma_async_client_unregister - unregister a client and free the &dma_client |
@@ -287,6 +289,7 @@ void dma_async_client_unregister(struct dma_client *client) | |||
287 | kfree(client); | 289 | kfree(client); |
288 | dma_chans_rebalance(); | 290 | dma_chans_rebalance(); |
289 | } | 291 | } |
292 | EXPORT_SYMBOL(dma_async_client_unregister); | ||
290 | 293 | ||
291 | /** | 294 | /** |
292 | * dma_async_client_chan_request - request DMA channels | 295 | * dma_async_client_chan_request - request DMA channels |
@@ -304,6 +307,7 @@ void dma_async_client_chan_request(struct dma_client *client, | |||
304 | client->chans_desired = number; | 307 | client->chans_desired = number; |
305 | dma_chans_rebalance(); | 308 | dma_chans_rebalance(); |
306 | } | 309 | } |
310 | EXPORT_SYMBOL(dma_async_client_chan_request); | ||
307 | 311 | ||
308 | /** | 312 | /** |
309 | * dma_async_device_register - registers DMA devices found | 313 | * dma_async_device_register - registers DMA devices found |
@@ -346,6 +350,7 @@ int dma_async_device_register(struct dma_device *device) | |||
346 | 350 | ||
347 | return 0; | 351 | return 0; |
348 | } | 352 | } |
353 | EXPORT_SYMBOL(dma_async_device_register); | ||
349 | 354 | ||
350 | /** | 355 | /** |
351 | * dma_async_device_cleanup - function called when all references are released | 356 | * dma_async_device_cleanup - function called when all references are released |
@@ -390,23 +395,12 @@ void dma_async_device_unregister(struct dma_device *device) | |||
390 | kref_put(&device->refcount, dma_async_device_cleanup); | 395 | kref_put(&device->refcount, dma_async_device_cleanup); |
391 | wait_for_completion(&device->done); | 396 | wait_for_completion(&device->done); |
392 | } | 397 | } |
398 | EXPORT_SYMBOL(dma_async_device_unregister); | ||
393 | 399 | ||
394 | static int __init dma_bus_init(void) | 400 | static int __init dma_bus_init(void) |
395 | { | 401 | { |
396 | mutex_init(&dma_list_mutex); | 402 | mutex_init(&dma_list_mutex); |
397 | return class_register(&dma_devclass); | 403 | return class_register(&dma_devclass); |
398 | } | 404 | } |
399 | |||
400 | subsys_initcall(dma_bus_init); | 405 | subsys_initcall(dma_bus_init); |
401 | 406 | ||
402 | EXPORT_SYMBOL(dma_async_client_register); | ||
403 | EXPORT_SYMBOL(dma_async_client_unregister); | ||
404 | EXPORT_SYMBOL(dma_async_client_chan_request); | ||
405 | EXPORT_SYMBOL(dma_async_memcpy_buf_to_buf); | ||
406 | EXPORT_SYMBOL(dma_async_memcpy_buf_to_pg); | ||
407 | EXPORT_SYMBOL(dma_async_memcpy_pg_to_pg); | ||
408 | EXPORT_SYMBOL(dma_async_memcpy_complete); | ||
409 | EXPORT_SYMBOL(dma_async_memcpy_issue_pending); | ||
410 | EXPORT_SYMBOL(dma_async_device_register); | ||
411 | EXPORT_SYMBOL(dma_async_device_unregister); | ||
412 | EXPORT_SYMBOL(dma_chan_cleanup); | ||